File::delete() - Code Metrics - Inspection of "Refactor server concatenation method" - ankitpokhrel/tus-php - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Branch — tus-concatenation (500f8f)

by Ankit

created 2018-02-03 09:12 UTC

File::delete() A

↳ Parent: File

Complexity

Conditions	3
Paths	2

Size

Total Lines	9
Code Lines	4

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	5
CRAP Score	3

Importance

Changes

Metric	Value
cc	3
eloc	4
nc	2
nop	2
dl	0
loc	9
ccs	5
cts	5
cp	1
crap	3
rs	9.6666
c	0
b	0
f	0

<?php

namespace TusPhp;

use Carbon\Carbon;
use TusPhp\Cache\Cacheable;
use TusPhp\Exception\FileException;
use TusPhp\Exception\ConnectionException;
use TusPhp\Exception\OutOfRangeException;

class File
{
    /** @const Max chunk size */
    const CHUNK_SIZE = 8192; // 8 bytes

    /** @const Input stream */
    const INPUT_STREAM = 'php://input';

    /** @const Read binary mode */
    const READ_BINARY = 'rb';

    /** @const Append binary mode */
    const APPEND_BINARY = 'ab+';

    /** @var string */
    protected $checksum;

    /** @var string */
    protected $name;

    /** @var Cacheable */
    protected $cache;

    /** @var int */
    protected $offset;

    /** @var string */
    protected $location;

    /** @var string */
    protected $filePath;

    /** @var int */
    protected $fileSize;

    /**
     * File constructor.
     *
     * @param string|null    $name
     * @param Cacheable|null $cache
     */
    public function __construct(string $name = null, Cacheable $cache = null)
    {
        $this->name  = $name;
        $this->cache = $cache;
    }

    /**
     * Set file meta.
     *
     * @param int    $offset
     * @param int    $fileSize
     * @param string $filePath
     * @param string $location
     *
     * @return File
     */
    public function setMeta(int $offset, int $fileSize, string $filePath, string $location = null) : self
    {
        $this->offset   = $offset;
        $this->fileSize = $fileSize;
        $this->filePath = $filePath;
        $this->location = $location;

        return $this;
    }

    /**
     * Set name.
     *
     * @param string $name
     *
     * @return File
     */
    public function setName(string $name) : self
    {
        $this->name = $name;

        return $this;
    }

    /**
     * Get name.
     *
     * @return string
     */
    public function getName() : string
    {
        return $this->name;
    }

    /**
     * Set file size.
     *
     * @param int $size
     *
     * @return File
     */
    public function setFileSize(int $size) : self
    {
        $this->fileSize = $size;

        return $this;
    }

    /**
     * Get file size.
     *
     * @return int
     */
    public function getFileSize() : int
    {
        return $this->fileSize;
    }

    /**
     * Set checksum.
     *
     * @param string $checksum
     *
     * @return File
     */
    public function setChecksum(string $checksum) : self
    {
        $this->checksum = $checksum;

        return $this;
    }

    /**
     * Get checksum.
     *
     * @return string
     */
    public function getChecksum() : string
    {
        return $this->checksum;
    }

    /**
     * Set offset.
     *
     * @param int $offset
     *
     * @return File
     */
    public function setOffset(int $offset) : self
    {
        $this->offset = $offset;

        return $this;
    }

    /**
     * Get offset.
     *
     * @return int
     */
    public function getOffset() : int
    {
        return $this->offset;
    }

    /**
     * Set location.
     *
     * @param string $location
     *
     * @return File
     */
    public function setLocation(string $location) : self
    {
        $this->location = $location;

        return $this;
    }

    /**
     * Get location.
     *
     * @return string
     */
    public function getLocation() : string
    {
        return $this->location;
    }

    /**
     * Set absolute file location.
     *
     * @param string $path
     *
     * @return File
     */
    public function setFilePath(string $path) : self
    {
        $this->filePath = $path;

        return $this;
    }

    /**
     * Get absolute location.
     *
     * @return string
     */
    public function getFilePath() : string
    {
        return $this->filePath;
    }

    /**
     * Get input stream.
     *
     * @return string
     */
    public function getInputStream() : string
    {
        return self::INPUT_STREAM;
    }

    /**
     * Get file meta.
     *
     * @return array
     */
    public function details() : array
    {
        $now = Carbon::now();

        return [
            'name' => $this->name,
            'size' => $this->fileSize,
            'offset' => $this->offset,
            'location' => $this->location,
            'file_path' => $this->filePath,
            'created_at' => $now->format($this->cache::RFC_7231),
            'expires_at' => $now->addSeconds($this->cache->getTtl())->format($this->cache::RFC_7231),
        ];
    }

    /**
     * Upload file to server.
     *
     * @param int $totalBytes
     *
     * @throws ConnectionException
     *
     * @return int
     */
    public function upload(int $totalBytes) : int
    {
        $bytesWritten = $this->offset;

        if ($bytesWritten === $totalBytes) {
            return $bytesWritten;
        }

        $input    = $this->open($this->getInputStream(), self::READ_BINARY);
        $output   = $this->open($this->getFilePath(), self::APPEND_BINARY);
        $checksum = $this->getChecksum();

        try {
            $this->seek($output, $bytesWritten);

            while ( ! feof($input)) {
                if (CONNECTION_NORMAL !== connection_status()) {
                    throw new ConnectionException('Connection aborted by user.');
                }

                $data  = $this->read($input, self::CHUNK_SIZE);
                $bytes = $this->write($output, $data, self::CHUNK_SIZE);

                $bytesWritten += $bytes;

                $this->cache->set($checksum, ['offset' => $bytesWritten]);

                if ($bytesWritten > $totalBytes) {
                    throw new OutOfRangeException('The uploaded file is corrupt.');
                }

                if ($bytesWritten === $totalBytes) {
                    break;
                }
            }
        } finally {
            $this->close($input);
            $this->close($output);
        }

        return $bytesWritten;
    }

    /**
     * Open file in append binary mode.
     *
     * @param string $filePath
     * @param string $mode
     *
     * @throws FileException
     *
     * @return resource
     */
    public function open(string $filePath, string $mode)
    {
        if (self::INPUT_STREAM !== $filePath &&
            self::READ_BINARY === $mode &&
            ! file_exists($filePath)
        ) {
            throw new FileException('File not found.');
        }

        $ptr = @fopen($filePath, $mode);

        if (false === $ptr) {
            throw new FileException("Unable to open $filePath.");
        }

        return $ptr;
    }

    /**
     * @param Resource $handle
     * @param int      $offset
     * @param int      $whence
     *
     * @throws FileException
     *
     * @return int
     */
    public function seek($handle, int $offset, int $whence = SEEK_SET) : int
    {
        $position = fseek($handle, $offset, $whence);

        if (-1 === $position) {
            throw new FileException('Cannot move pointer to desired position.');
        }

        return $position;
    }

    /**
     * Read data from file.
     *
     * @param Resource $handle
     * @param int      $chunkSize
     *
     * @throws FileException
     *
     * @return string
     */
    public function read($handle, int $chunkSize) : string
    {
        $data = fread($handle, $chunkSize);

        if (false === $data) {
            throw new FileException('Cannot read file.');
        }

        return (string) $data;
    }

    /**
     * Write data to file.
     *
     * @param Resource $handle
     * @param string   $data
     * @param int|null $length
     *
     * @throws FileException
     *
     * @return int
     */
    public function write($handle, string $data, $length = null) : int
    {
        $bytesWritten = is_int($length) ? fwrite($handle, $data, $length) : fwrite($handle, $data);

        if (false === $bytesWritten) {

            throw new FileException('Cannot write to a file.');
        }

        return $bytesWritten;
    }

    /**
     * Merge 2 or more files.
     *
     * @param array $files File data with meta info.
     *
     * @return int
     */
    public function merge(array $files) : int
    {
        $destination = $this->getFilePath();
        $firstFile   = array_shift($files);

        // First partial file can directly be copied.
        $this->copy($firstFile['file_path'], $destination);

        $this->offset   = $firstFile['offset'];
        $this->fileSize = filesize($firstFile['file_path']);

        $handle = $this->open($destination, self::APPEND_BINARY);

        foreach ($files as $file) {
            if ( ! file_exists($file['file_path'])) {
                throw new FileException('File to be merged not found.');
            }

            $this->fileSize += $this->write($handle, file_get_contents($file['file_path']));

            $this->offset += $file['offset'];
        }

        $this->close($handle);

        return $this->fileSize;
    }

    /**
     * Copy file from source to destination.
     *
     * @param string $source
     * @param string $destination
     *
     * @return bool
     */
    public function copy(string $source, string $destination) : bool
    {
        $status = @copy($source, $destination);

        if (false === $status) {
            throw new FileException('Cannot copy source to destination.');
        }

        return $status;
    }

    /**
     * Delete file and/or folder.
     *
     * @param array $files
     * @param bool  $folder
     *
     * @return bool
     */
    public function delete(array $files, bool $folder = false) : bool
    {
        $status = $this->deleteFiles($files);

        if ($status && $folder) {
            return rmdir(dirname(current($files)));
        }

        return $status;
    }

    /**
     * Delete files.
     *
     * @param array $files
     *
     * @return bool
     */
    public function deleteFiles(array $files)
    {
        $status = empty($files) ? false : true;

        foreach ($files as $file) {
            if (file_exists($file)) {
                $status = $status && unlink($file);
            }
        }

        return $status;
    }

    /**
     * Close file.
     *
     * @param $handle
     *
     * @return bool
     */
    public function close($handle) : bool
    {
        return fclose($handle);
    }
}


1		<?php
2
3		namespace TusPhp;
4
5		use Carbon\Carbon;
6		use TusPhp\Cache\Cacheable;
7		use TusPhp\Exception\FileException;
8		use TusPhp\Exception\ConnectionException;
9		use TusPhp\Exception\OutOfRangeException;
10
11		class File
12		{
13		/** @const Max chunk size */
14		const CHUNK_SIZE = 8192; // 8 bytes
15
16		/** @const Input stream */
17		const INPUT_STREAM = 'php://input';
18
19		/** @const Read binary mode */
20		const READ_BINARY = 'rb';
21
22		/** @const Append binary mode */
23		const APPEND_BINARY = 'ab+';
24
25		/** @var string */
26		protected $checksum;
27
28		/** @var string */
29		protected $name;
30
31		/** @var Cacheable */
32		protected $cache;
33
34		/** @var int */
35		protected $offset;
36
37		/** @var string */
38		protected $location;
39
40		/** @var string */
41		protected $filePath;
42
43		/** @var int */
44		protected $fileSize;
45
46		/**
47		* File constructor.
48		*
49		* @param string\|null $name
50		* @param Cacheable\|null $cache
51		*/
52	1	public function __construct(string $name = null, Cacheable $cache = null)
53		{
54	1	$this->name = $name;
55	1	$this->cache = $cache;
56	1	}
57
58		/**
59		* Set file meta.
60		*
61		* @param int $offset
62		* @param int $fileSize
63		* @param string $filePath
64		* @param string $location
65		*
66		* @return File
67		*/
68	1	public function setMeta(int $offset, int $fileSize, string $filePath, string $location = null) : self
69		{
70	1	$this->offset = $offset;
71	1	$this->fileSize = $fileSize;
72	1	$this->filePath = $filePath;
73	1	$this->location = $location;
74
75	1	return $this;
76		}
77
78		/**
79		* Set name.
80		*
81		* @param string $name
82		*
83		* @return File
84		*/
85	1	public function setName(string $name) : self
86		{
87	1	$this->name = $name;
88
89	1	return $this;
90		}
91
92		/**
93		* Get name.
94		*
95		* @return string
96		*/
97	1	public function getName() : string
98		{
99	1	return $this->name;
100		}
101
102		/**
103		* Set file size.
104		*
105		* @param int $size
106		*
107		* @return File
108		*/
109	1	public function setFileSize(int $size) : self
110		{
111	1	$this->fileSize = $size;
112
113	1	return $this;
114		}
115
116		/**
117		* Get file size.
118		*
119		* @return int
120		*/
121	1	public function getFileSize() : int
122		{
123	1	return $this->fileSize;
124		}
125
126		/**
127		* Set checksum.
128		*
129		* @param string $checksum
130		*
131		* @return File
132		*/
133	1	public function setChecksum(string $checksum) : self
134		{
135	1	$this->checksum = $checksum;
136
137	1	return $this;
138		}
139
140		/**
141		* Get checksum.
142		*
143		* @return string
144		*/
145	1	public function getChecksum() : string
146		{
147	1	return $this->checksum;
148		}
149
150		/**
151		* Set offset.
152		*
153		* @param int $offset
154		*
155		* @return File
156		*/
157	1	public function setOffset(int $offset) : self
158		{
159	1	$this->offset = $offset;
160
161	1	return $this;
162		}
163
164		/**
165		* Get offset.
166		*
167		* @return int
168		*/
169	1	public function getOffset() : int
170		{
171	1	return $this->offset;
172		}
173
174		/**
175		* Set location.
176		*
177		* @param string $location
178		*
179		* @return File
180		*/
181	1	public function setLocation(string $location) : self
182		{
183	1	$this->location = $location;
184
185	1	return $this;
186		}
187
188		/**
189		* Get location.
190		*
191		* @return string
192		*/
193	1	public function getLocation() : string
194		{
195	1	return $this->location;
196		}
197
198		/**
199		* Set absolute file location.
200		*
201		* @param string $path
202		*
203		* @return File
204		*/
205	1	public function setFilePath(string $path) : self
206		{
207	1	$this->filePath = $path;
208
209	1	return $this;
210		}
211
212		/**
213		* Get absolute location.
214		*
215		* @return string
216		*/
217	1	public function getFilePath() : string
218		{
219	1	return $this->filePath;
220		}
221
222		/**
223		* Get input stream.
224		*
225		* @return string
226		*/
227	1	public function getInputStream() : string
228		{
229	1	return self::INPUT_STREAM;
230		}
231
232		/**
233		* Get file meta.
234		*
235		* @return array
236		*/
237	1	public function details() : array
238		{
239	1	$now = Carbon::now();
240
241		return [
242	1	'name' => $this->name,
243	1	'size' => $this->fileSize,
244	1	'offset' => $this->offset,
245	1	'location' => $this->location,
246	1	'file_path' => $this->filePath,
247	1	'created_at' => $now->format($this->cache::RFC_7231),
248	1	'expires_at' => $now->addSeconds($this->cache->getTtl())->format($this->cache::RFC_7231),
249		];
250		}
251
252		/**
253		* Upload file to server.
254		*
255		* @param int $totalBytes
256		*
257		* @throws ConnectionException
258		*
259		* @return int
260		*/
261	6	public function upload(int $totalBytes) : int
262		{
263	6	$bytesWritten = $this->offset;
264
265	6	if ($bytesWritten === $totalBytes) {
266	1	return $bytesWritten;
267		}
268
269	5	$input = $this->open($this->getInputStream(), self::READ_BINARY);
270	5	$output = $this->open($this->getFilePath(), self::APPEND_BINARY);
271	4	$checksum = $this->getChecksum();
272
273		try {
274	4	$this->seek($output, $bytesWritten);
275
276	4	while ( ! feof($input)) {
277	4	if (CONNECTION_NORMAL !== connection_status()) {
278	1	throw new ConnectionException('Connection aborted by user.');
279		}
280
281	3	$data = $this->read($input, self::CHUNK_SIZE);
282	3	$bytes = $this->write($output, $data, self::CHUNK_SIZE);
283
284	3	$bytesWritten += $bytes;
285
286	3	$this->cache->set($checksum, ['offset' => $bytesWritten]);
287
288	3	if ($bytesWritten > $totalBytes) {
289	1	throw new OutOfRangeException('The uploaded file is corrupt.');
290		}
291
292	2	if ($bytesWritten === $totalBytes) {
293	2	break;
294		}
295		}
296	2	} finally {
297	4	$this->close($input);
298	4	$this->close($output);
299		}
300
301	2	return $bytesWritten;
302		}
303
304		/**
305		* Open file in append binary mode.
306		*
307		* @param string $filePath
308		* @param string $mode
309		*
310		* @throws FileException
311		*
312		* @return resource
313		*/
314	6	public function open(string $filePath, string $mode)
315		{
316	6	if (self::INPUT_STREAM !== $filePath &&
317	6	self::READ_BINARY === $mode &&
318	6	! file_exists($filePath)
319		) {
320	1	throw new FileException('File not found.');
321		}
322
323	5	$ptr = @fopen($filePath, $mode);
324
325	5	if (false === $ptr) {
326	2	throw new FileException("Unable to open $filePath.");
327		}
328
329	4	return $ptr;
330		}
331
332		/**
333		* @param Resource $handle
334		* @param int $offset
335		* @param int $whence
336		*
337		* @throws FileException
338		*
339		* @return int
340		*/
341	3	public function seek($handle, int $offset, int $whence = SEEK_SET) : int
342		{
343	3	$position = fseek($handle, $offset, $whence);
344
345	3	if (-1 === $position) {
346	1	throw new FileException('Cannot move pointer to desired position.');
347		}
348
349	2	return $position;
350		}
351
352		/**
353		* Read data from file.
354		*
355		* @param Resource $handle
356		* @param int $chunkSize
357		*
358		* @throws FileException
359		*
360		* @return string
361		*/
362	3	public function read($handle, int $chunkSize) : string
363		{
364	3	$data = fread($handle, $chunkSize);
365
366	3	if (false === $data) {
367	1	throw new FileException('Cannot read file.');
368		}
369
370	2	return (string) $data;
371		}
372
373		/**
374		* Write data to file.
375		*
376		* @param Resource $handle
377		* @param string $data
378		* @param int\|null $length
379		*
380		* @throws FileException
381		*
382		* @return int
383		*/
384	2	public function write($handle, string $data, $length = null) : int
385		{
386	2	$bytesWritten = is_int($length) ? fwrite($handle, $data, $length) : fwrite($handle, $data);
387
388	2	if (false === $bytesWritten) {
		0 ignored issues – show introduced 2018-01-14 05:17 UTC by Report Bug Copy Issue Report The condition `false === $bytesWritten` can never be `true`. Loading history...
389	1	throw new FileException('Cannot write to a file.');
390		}
391
392	1	return $bytesWritten;
393		}
394
395		/**
396		* Merge 2 or more files.
397		*
398		* @param array $files File data with meta info.
399		*
400		* @return int
401		*/
402	3	public function merge(array $files) : int
403		{
404	3	$destination = $this->getFilePath();
405	3	$firstFile = array_shift($files);
406
407		// First partial file can directly be copied.
408	3	$this->copy($firstFile['file_path'], $destination);
409
410	2	$this->offset = $firstFile['offset'];
411	2	$this->fileSize = filesize($firstFile['file_path']);
412
413	2	$handle = $this->open($destination, self::APPEND_BINARY);
414
415	2	foreach ($files as $file) {
416	2	if ( ! file_exists($file['file_path'])) {
417	1	throw new FileException('File to be merged not found.');
418		}
419
420	1	$this->fileSize += $this->write($handle, file_get_contents($file['file_path']));
421
422	1	$this->offset += $file['offset'];
423		}
424
425	1	$this->close($handle);
426
427	1	return $this->fileSize;
428		}
429
430		/**
431		* Copy file from source to destination.
432		*
433		* @param string $source
434		* @param string $destination
435		*
436		* @return bool
437		*/
438	2	public function copy(string $source, string $destination) : bool
439		{
440	2	$status = @copy($source, $destination);
441
442	2	if (false === $status) {
443	1	throw new FileException('Cannot copy source to destination.');
444		}
445
446	1	return $status;
447		}
448
449		/**
450		* Delete file and/or folder.
451		*
452		* @param array $files
453		* @param bool $folder
454		*
455		* @return bool
456		*/
457	4	public function delete(array $files, bool $folder = false) : bool
458		{
459	4	$status = $this->deleteFiles($files);
460
461	4	if ($status && $folder) {
462	2	return rmdir(dirname(current($files)));
463		}
464
465	2	return $status;
466		}
467
468		/**
469		* Delete files.
470		*
471		* @param array $files
472		*
473		* @return bool
474		*/
475	3	public function deleteFiles(array $files)
476		{
477	3	$status = empty($files) ? false : true;
478
479	3	foreach ($files as $file) {
480	2	if (file_exists($file)) {
481	2	$status = $status && unlink($file);
482		}
483		}
484
485	3	return $status;
486		}
487
488		/**
489		* Close file.
490		*
491		* @param $handle
492		*
493		* @return bool
494		*/
495	4	public function close($handle) : bool
496		{
497	4	return fclose($handle);
498		}
499		}
500

ankitpokhrel / tus-php

Branch — tus-concatenation (500f8f)

File::delete() A

Complexity

Size

Duplication

Code Coverage

Importance

Duplication Side-by-Side

Filter issues like